CN207093073U - A kind of downhole pulser being used in wireless drilling measuring system - Google Patents
A kind of downhole pulser being used in wireless drilling measuring system Download PDFInfo
- Publication number
- CN207093073U CN207093073U CN201721044092.9U CN201721044092U CN207093073U CN 207093073 U CN207093073 U CN 207093073U CN 201721044092 U CN201721044092 U CN 201721044092U CN 207093073 U CN207093073 U CN 207093073U
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- valve body
- motor
- turbine generator
- battery
- micro turbine
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Abstract
The measurement-while-drilling system field that the utility model belongs in oilfield development process, a kind of more particularly to downhole pulser being used in wireless drilling measuring system, including cylinder, motor, locating ring, upper valve body, lower valve body, in addition to micro turbine generator, battery and charge controller；The upper end of described cylinder has been connected through a screw thread top connection, and a ring support is accompanied between top connection and cylinder, and described micro turbine generator is fixed on the center of ring support by gusset；Described motor, battery and charge controller is installed in a waterproof sealing housing, and the output shaft of motor is connected after passing through waterproof sealing housing with the valve face of upper valve body.The utility model is provided with micro turbine generator, charge controller and battery in impulse generator, and battery can be charged by micro turbine generator, to ensure the continual and steady supply of electric power of motor.
Description
Technical field
The measurement-while-drilling system technical field that the utility model belongs in oilfield development process, more particularly to one kind are used for nothing
Downhole pulser in line measurement-while-drilling system.
Background technology
In drilling process, especially in the drilling process of the complex structural wells such as horizontal well, extended reach well, Multilateral Wells, work
Personnel need in real time to understand by measurement-while-drilling system various drilling technology parameters, stratum ginseng near well track parameter and drill bit
Number, by the monitoring to these parameters, the drilling technology parameters such as the pressure of the drill, rotating speed, drilling fluid displacement is controlled in time, to improve machinery
Drilling speed, reduce drilling failure.Measurement-while-drilling system is in the course of the work, it is necessary to be passed underground by certain transmission means
The associated parameter data real-time delivery that sensor measures is to ground-based computer processing system.At present, down-hole information transmission means has mud
Starch pulse, electromagnetic wave, sound wave drill string vibrate three kinds of modes, mud-pulse transmission means be most measurement-while-drilling systems with
And the information transmission mode of the Closed loop well to grow up on the basis of measurement while drilling.Mud-pulse is according to its mechanism of production
Difference can be divided into negative pulse, positive pulse, three kinds of continuous wave.Mode switching valve negative pulse and positive pulse transmission means transmission rate compared with
Low, with the development of the drilling technologies such as well logging and geosteering, the downhole parameters of measurement while drilling are more and more, to measurement
The transmission of requirement of real-time more and more higher, mode switching valve negative pulse and positive pulse because a large amount of geologic parameters can not be met, using general
It is restricted.And continuous wave impulse transmission means transmission rate height, strong antijamming capability, most widely used, development will be turned into
Enormously potential data transfer mode.
In order to produce continuous pulse, Authorization Notice No. is that CN205532592U utility model patent discloses a kind of bear
Pressure continuous wave pulse generating unit.However, this device in set motor can only by being placed in the battery-powered of underground,
And the power supply capacity of battery is extremely limited, it is necessary to often charging or replacing battery on well, therefore use is inconvenient.
The content of the invention
The utility model provides a kind of downhole pulser being used in wireless drilling measuring system, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
The technical problem that the utility model solves is realized using following technical scheme：The utility model provides a kind of use
Downhole pulser in wireless drilling measuring system, including cylinder, motor, locating ring, upper valve body, lower valve body, positioning
Ring, upper valve body and lower valve body are fixedly mounted in cylinder, and motor is fixedly mounted on locating ring, and drilling fluid from top to bottom leads to successively
After crossing the valve face of upper valve body and the valve face of lower valve body, then lead to outside cylinder through the current by pass in lower valve body, the valve face of upper valve body
Valve face with lower valve body under the driving of motor rotates against, so as to spend the cycle of liquid latus rectum at two valve faces by changing
Change produces continuous impulse, in addition to micro turbine generator, battery and charge controller；The upper end of described cylinder passes through
Top connection is threaded with, a ring support is accompanied between top connection and cylinder, described micro turbine generator passes through gusset
It is fixed on the center of ring support；Described motor, battery and charge controller is installed in a waterproof sealing housing,
The output shaft of motor is connected after passing through waterproof sealing housing with the valve face of upper valve body, and the cylindrical sides of the output shaft of motor are with preventing
Rotating seal is provided between water-stop housing；The electric lead-out terminal and charge controller of described micro turbine generator
Electrical input terminal electrical connection.
Described rotating seal is lip-type packing.The electric lead-out terminal of described micro turbine generator and charging
Electrical connection is realized using pressure bearing and seal plug between electrical input terminal of controller.
The beneficial effects of the utility model are：
1st, the utility model is provided with micro turbine generator, charge controller and battery in impulse generator, leads to
Crossing micro turbine generator can charge to battery, to ensure the continual and steady supply of electric power of motor；Pass through charge control
Device can be controlled (the electricity connected during discharged or defective battery between micro turbine generator and battery to the charging process of battery
Connection, the electrical connection between micro turbine generator and battery is disconnected when accumulator electric-quantity is full of).
2nd, described micro turbine generator is arranged in cylinder by ring support and gusset, so as to be sent out in miniature turbine
Liquid passage was left around motor, so as to eliminate the throttle effect of micro turbine generator to caused by drillng operation not
Profit influences.
3rd, described motor, battery and charge controller share a waterproof sealing housing, eliminate to motor, electric power storage
Pond and the requirement of the respective water resistance of charge controller, so as to reduce cost, while improve waterproof and pressure bearing and seal
Reliability.
4th, adopted between electrical input terminal of the electric lead-out terminal and charge controller of described micro turbine generator
Realized and electrically connected with pressure bearing and seal plug, can effectively simplify electric connection structure, while fully ensure that be electrically connected contact waterproof and pressure-bearing property
Energy.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- micro turbine generators, 2- ring supports, 3- charge controllers, 4- batteries, 5- motors, 6- waterproofs
Seal casinghousing, 7- upper valve bodies, 8- current by pass, 9- lower valve bodies, 10- cylinders, 11- pressure bearing and seal plugs, 12- gussets, connect on 13-
Head, 14- locating rings.
Embodiment
The utility model is described further below in conjunction with accompanying drawing：
The present embodiment includes cylinder 10, motor 5, locating ring 14, upper valve body 7, lower valve body 9, locating ring 14, the and of upper valve body 7
Lower valve body 9 is fixedly mounted in cylinder 10, and motor 5 is fixedly mounted on locating ring 14, and drilling fluid from top to bottom passes sequentially through
After the valve face of valve body 7 and the valve face of lower valve body 9, then lead to outside cylinder 10 through the current by pass 8 in lower valve body 9, the valve of upper valve body 7
Valve face of the face with lower valve body 9 under the driving of motor 5 rotates against, so as to cross liquid latus rectum at two valve faces by changing
Mechanical periodicity produces continuous impulse.It is above existing structure in the prior art, will not be repeated here.
The utility model also includes micro turbine generator 1, battery 4 and charge controller 3.The utility model is in pulse
Micro turbine generator 1, charge controller 3 and battery 4 are provided with generator, can be to storing by micro turbine generator 1
Battery 4 is charged, to ensure the continual and steady supply of electric power of motor 5；Can be to the charging of battery 4 by charge controller 3
Process is controlled (electrical connection connected during 4 power shortage of battery between micro turbine generator 1 and battery 4, the electricity of battery 4
The electrical connection between micro turbine generator 1 and battery 4 is disconnected when amount is full of).
The upper end of described cylinder 10 has been connected through a screw thread top connection 13, and a ring is accompanied between top connection 13 and cylinder 10
Shape support 2, described micro turbine generator 1 are fixed on the center of ring support 2 by gusset 12.Described miniature turbine hair
Motor 1 is arranged in cylinder 10 by ring support 2 and gusset 12, so as to be left around micro turbine generator 1
Liquid passage, and then the throttle effect of micro turbine generator 1 is eliminated to adverse effect caused by drillng operation.
Described motor 5, battery 4 and charge controller 3 is installed in a waterproof sealing housing 6, motor 5 it is defeated
Shaft is connected after passing through waterproof sealing housing 5 with the valve face of upper valve body 7.Described motor 5, battery 4 and charge controller 3 is common
With a waterproof sealing housing 6, the requirement to 3 respective water resistance of motor 5, battery 4 and charge controller is eliminated, from
And cost is reduced, while improve waterproof and the reliability of pressure bearing and seal.
Rotating seal is provided between the cylindrical sides and waterproof sealing housing 6 of the output shaft of motor 5 (in figure not show
Go out), rotating seal can use lip-type packing.
Adopted between electrical input terminal of the electric lead-out terminal and charge controller 3 of described micro turbine generator 1
Realized and electrically connected with pressure bearing and seal plug 11, pressure bearing and seal plug 11 can use the strange high pressure sealing electric connector Co., Ltd life of Xi'an space
The model YQ.3GMJ9.5-1J-43.5 of production pressure bearing and seal plug.
Adopted between electrical input terminal of the electric lead-out terminal and charge controller 3 of described micro turbine generator 1
Realized and electrically connected with pressure bearing and seal plug 11, can effectively simplify electric connection structure, while fully ensure that be electrically connected contact waterproof and pressure-bearing
Performance.
Claims (3)
1. a kind of downhole pulser being used in wireless drilling measuring system, including cylinder (10), motor (5), locating ring
(14), upper valve body (7), lower valve body (9), locating ring (14), upper valve body (7) and lower valve body (9) are fixedly mounted in cylinder (10),
Motor (5) is fixedly mounted on locating ring (14), and drilling fluid from top to bottom passes sequentially through the valve face and lower valve body of upper valve body (7)
(9) after valve face, then through the current by pass (8) in lower valve body (9) cylinder (10) is led to outside, the valve face of upper valve body (7) is in motor
(5) valve face under driving with lower valve body (9) rotates against, so as to spend the cycle of liquid latus rectum at two valve faces by changing
Change produces continuous impulse, it is characterised in that：Also include micro turbine generator (1), battery (4) and charge controller (3)；
The upper end of described cylinder (10) has been connected through a screw thread top connection (13), and a ring is accompanied between top connection (13) and cylinder (10)
Shape support (2), described micro turbine generator (1) are fixed on the center of ring support (2) by gusset (12)；Described electricity
Machine (5), battery (4) and charge controller (3) are installed in a waterproof sealing housing (6), and the output shaft of motor (5) is worn
Cross valve face of the waterproof sealing housing (6) afterwards with upper valve body (7) to be connected, cylindrical sides and the anti-watertight of the output shaft of motor (5)
Capsule body is provided with rotating seal between (6)；The electric lead-out terminal and charge control of described micro turbine generator (1)
The electrical input terminal electrical connection of device (3).
2. a kind of downhole pulser being used in wireless drilling measuring system according to claim 1, its feature exist
In：Described rotating seal is lip-type packing.
3. a kind of downhole pulser being used in wireless drilling measuring system according to claim 1, its feature exist
In：Used between electrical input terminal of the electric lead-out terminal and charge controller (3) of described micro turbine generator (1)
Pressure bearing and seal plug (11) realizes electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044092.9U CN207093073U (en) | 2017-08-18 | 2017-08-18 | A kind of downhole pulser being used in wireless drilling measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721044092.9U CN207093073U (en) | 2017-08-18 | 2017-08-18 | A kind of downhole pulser being used in wireless drilling measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207093073U true CN207093073U (en) | 2018-03-13 |
Family
ID=61541953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721044092.9U Expired - Fee Related CN207093073U (en) | 2017-08-18 | 2017-08-18 | A kind of downhole pulser being used in wireless drilling measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207093073U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843242A (en) * | 2018-07-09 | 2018-11-20 | 西安石大斯泰瑞油田技术有限公司 | A kind of rotary steerable drilling system of low cost high build angle rate and high rate of penetration |
| CN110500058A (en) * | 2019-08-28 | 2019-11-26 | 中国石油集团川庆钻探工程有限公司 | Positive and negative pressure pulse generating device and positive and negative pressure pulse generating method |
| CN115822488A (en) * | 2023-01-05 | 2023-03-21 | 成都理工大学 | Horizontal directional drilling wireline coring tube gear crawling intelligent fast delivery device |
-
2017
- 2017-08-18 CN CN201721044092.9U patent/CN207093073U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843242A (en) * | 2018-07-09 | 2018-11-20 | 西安石大斯泰瑞油田技术有限公司 | A kind of rotary steerable drilling system of low cost high build angle rate and high rate of penetration |
| CN110500058A (en) * | 2019-08-28 | 2019-11-26 | 中国石油集团川庆钻探工程有限公司 | Positive and negative pressure pulse generating device and positive and negative pressure pulse generating method |
| CN110500058B (en) * | 2019-08-28 | 2021-07-02 | 中国石油集团川庆钻探工程有限公司 | Positive and negative pressure pulse generating device and positive and negative pressure pulse generating method |
| CN115822488A (en) * | 2023-01-05 | 2023-03-21 | 成都理工大学 | Horizontal directional drilling wireline coring tube gear crawling intelligent fast delivery device |
| CN115822488B (en) * | 2023-01-05 | 2024-06-28 | 成都理工大学 | Horizontal directional drilling rope core pipe gear crawling intelligent fast release device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 |
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| CF01 | Termination of patent right due to non-payment of annual fee |